package service;

import entity.Account;

public interface AccountDAO {
	
	//�û�ע��
	public boolean accountRegister(Account ac);

	//�û���¼
	public Account accountLogin(Account ac);
	
	//�û��ǳ�
	public boolean accountLogout(Account ac);
	
	//�û��޸ĸ�������
	public boolean update(Account ac);
	
	//�鿴��������
	public Account queryByAccount_id(int account_id);

	
	
}
